Backflow valve mounting and sealing device

Details Backflow valve mounting and sealing device Backflow valve mounting and sealing device

1975-10-14

1977-08-02

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

1375278, F16K 1503

Patent

active

040390047

ABSTRACT:
A resilient elastomer mounting and sealing device for a backflow valve. The backflow valve is positioned within a pipe fitting and includes a flapper element. The device serves to support the valve within the pipe fitting while sealing the valve relative to the pipe fitting and additionally provides a seat for the flapper element of the valve.

REFERENCES:
patent: 604117 (1898-05-01), Latshaw
patent: 1619033 (1927-03-01), Perrenot
patent: 1837658 (1931-12-01), Force et al.
patent: 2947321 (1960-08-01), Kovalcik
patent: 3292658 (1966-12-01), Scaramucci

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